9. The Waterbending ScrollWhen Katara's desire to master Waterbending gets the best of her, the kids find themselves on the run from pirates.

10. JetOur heroes' friendship is tested when they meet Jet, a charismatic teenager leading a band of rebels who are fighting against the Fire Nation.

11. The Great DivideOn their way to the North Pole, Aang and company find two groups of squabbling refugees.

12. The StormA powerful storm brings up painful memories of the past - and puts everyone in jeopardy in the present.

13. The Blue SpiritAang tries to find cures for Sokka and Katara's ailments but is captured and imprisoned.

14. The FortunetellerAang, Katara, and Sokka discover a village of people who are all reliant on a fortuneteller in their everyday lives.

15. Bato of the Water TribeAang feels insecure when Katara and Sokka come across something that reminds them of home.

16. The DeserterAang attempts to find a Firebending master to teach him while Katara learns that she possesses a special power.

17. The Northern Air TempleAfter hearing rumors about surviving Airbenders, the kids journey to the Northern Air temple to see for themselves.

18. The Waterbending MasterThe kids reach the Northern Water tribe, and Aang and Katara look for a Waterbending Master as Sokka falls for a princess.

19. The Siege of the North (Part 1)The Northern Water Tribe braces itself for an attack by Admiral Zhao's Fire Navy fleet.

20. The Siege of the North (Part 2)Zhao's invasion breaks through the outer wall of the Northern Water Tribe's defenses, and he reveals a sinister plan.

Season 2

1. The Avatar StateAang and the group meet an Earth Kingdom general who wants to use Aang's powerful "Avatar State" as a weapon to defeat the Fire Nation.

Release date: March 17, 2006

2. The Cave of Two LoversOn their way to Omashu, the kids meet a group of nomads who show them a short cut through the "cave of two lovers." But when the kids become lost in the caves, they have to trust in love in order to overcome the curse and get out of the tunnels.

3. Return To OmashuThe kids return to Omashu so that Aang can learn Earthbending from King Bumi. But when they get there, they are shocked to find the city is now in Fire Nation hands. Despite the danger, Aang enters Omashu in search of King Bumi

4. The SwampWhen the kids end up in a mysterious and strange swamp, their fears are exposed. And Aang learns about being "connected to the Earth" from an unlikely teacher.

5. Avatar DayAang and the gang discover an Earth town that celebrates something called Avatar Day.

6. The Blind BanditAang and company search for someone to teach him earthbending.

7. Zuko AloneTraveling without Uncle now, Zuko wanders alone into an Earth Kingdom town where he bonds with a local boy. Meanwhile, Zuko is haunted by memories of his own youth.

8. The ChaseAs the kids are pursued relentlessly by a mysterious machine, their exhaustion puts them at each other's throats.

9. Bitter WorkWhen Aang struggles with a block while trying to learn Earthbending from Toph, he wonders if the problem is with him or his teacher. Meanwhile, Sokka gets himself in a jam.

10. The LibraryAang and his friends learn of a library within which dwells information to help defeat the Fire Nation.

11. The DesertAang and company escape the library only to find more treacherous challenges.

12. The Secret of the Fire NationAang and the group escort a group of refugees to Ba Sing Se through the deadly "Serpent's Pass." There they discover a monstrous plot by the Fire Nation that threatens the city!

13. City of Walls and SecretsAang and the kids finally arrive in Ba Sing Se to see the Earth King, only to find mysterious forces within the city conspiring to stop them.

14. Tales of Ba Sing SeA series of short stories, highlighting different characters and their individual adventures in the city.

15. Appa's Lost DaysIn this special episode, we go back in time to the moment Appa was stolen.

16. Lake LaogaiWhile searching for Appa, the kids run into Jet, but are torn about whether to trust him or not. Meanwhile, Zuko also hunts for Appa.

17. The Earth KingThe kids battle Long Feng the Dai Li when they attempt to show the Earth King the vast conspiracy taking place in his city.

18. The Guru/The Crossroads of DestinyA guru at the Eastern Air Temple helps Aang take the next step in his Avatar journey. Everyone races against time to stop Azula's sinister conquest of Ba Sing Se.

Season 3

1. The AwakeningAfter sustaining serious injuries at the end of season two, Aang awakens to find himself aboard a Fire Nation ship. Meanwhile, Zuko journeys home.